iOS (Jailbroken): When selecting a Bluetooth device in iOS, a pre-defined named is saved on your phone and there's no way to change it directly from your device. This is annoying if you have a few wireless speakers, for example, but don't know which speaker is in which room because they all have the same name. If you're jailbroken, however, you can alter their names by editing a single file. User hondavtec, on the iPhonewzealnd forums, explains: